4051404 has 96 divisors (see below), whose sum is σ = 12579840. Its totient is φ = 1102464.

The previous prime is 4051403. The next prime is 4051429. The reversal of 4051404 is 4041504.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 9 and base 14.

It is not an unprimeable number, because it can be changed into a prime (4051403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17272 + ... + 17504.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

Almost surely, 2^4051404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4051404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6289920).

4051404 is an abundant number, since it is smaller than the sum of its proper divisors (8528436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4051404 is a wasteful number, since it uses less digits than its factorization.

4051404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4051404 is about 2012.8099761279. The cubic root of 4051404 is about 159.4172026645.

Adding to 4051404 its reverse (4041504), we get a palindrome (8092908).

The spelling of 4051404 in words is "four million, fifty-one thousand, four hundred four".